59. Water Pump Clean and Inspect

Water Pump Cleaning and Inspection





1. Remove the old gasket from the water pump sealing surfaces.
2. Clean all dirt and debris from the water pump housing.
3. Inspect the water pump for the following:
- Gasket sealing surfaces for excessive scratches or gouging
- Hose sealing surfaces for scratches or gouging
- Restrictions within the internal coolant passages
- Excessive side-to-side play in the pulley shaft
- A loose belt pulley or a pulley with excessive wear or scoring on the belt tracking area
- Leakage at the water outlet housing or rear cover gasket
- Leakage at the water pump vent hole
A stain around the vent hole is acceptable. If leakage occurs (dripping) with the engine running and the cooling system pressurized, replace the water pump.